Thermal radical cyclization of non-conjugated aromatic enyne-allenes: Synthesis of a cyclobuta[a]naphthalene skeleton

Article abstract of DOI:10.1016/S0040-4039(98)00951-4

The thermal cyclization of non-conjugated aromatic enyne-allenes (2) to form benzobicyclo [4.2.0]octatrienol (3) provides a simple and convenient procedure of the preparation of a cyclobuta[a]-naphthalene skeleton (4).